Primary study outcomes are patients' self report of the severity of dyspnea and HRQOL. Baseline dyspnea will be quantified with the Baseline Dyspnea Index and Borg scale with regular measures of dyspnea using the Visual Analog Scale (VAS). HRQOL will be

Functional limitation will be measured by the 6-minute walk test and followed with the baseline measure of post-exercise dyspnea level on the Borg scale. Other symptoms will be identified by the Memorial Symptom Assessment Scale (MSAS) and as part of the